2008
DOI: 10.1007/s10310-008-0086-4
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Abstract: Drought, salinity and forest fires are adverse abiotic factors responsible for the failure of plant regeneration in the Mediterranean regions. The objective of this study was to evaluate Pinus pinea seed germination in response to heat, osmotic and salinity stress. Separate experiments were conducted, using polyethylene glycol (PEG) as an osmotic agent to reproduce drought stress, and sodium chloride (NaCl) and diluted seawater as salinizing agents to simulate salinity stress. Different temperatures were used … Show more

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Cited by 57 publications
(28 citation statements)
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“…Water stress not only affects seed germination but also increases mean germination time in maize plants (Willanborb et al, 2004). The adverse effect of water shortage on germination and seedling growth has been well reported in different crops (Mostafavi et al, 2011;Khodarahmpour, 2011).The polyethylene glycol (PEG)-induced inhibition of germination has been attributed to osmotic stress (Dodd and Donovan, 1999;Sidari et al, 2008).…”
Section: Issn: 2319-7706 Volume 6 Number 5 (2017) Pp 1095-1104mentioning
confidence: 99%
“…Water stress not only affects seed germination but also increases mean germination time in maize plants (Willanborb et al, 2004). The adverse effect of water shortage on germination and seedling growth has been well reported in different crops (Mostafavi et al, 2011;Khodarahmpour, 2011).The polyethylene glycol (PEG)-induced inhibition of germination has been attributed to osmotic stress (Dodd and Donovan, 1999;Sidari et al, 2008).…”
Section: Issn: 2319-7706 Volume 6 Number 5 (2017) Pp 1095-1104mentioning
confidence: 99%
“…The PEG-induced inhibition of germination has been attributed to osmotic stress (Dodd and Donovan, 1999;Sidari et al, 2008). Temperature plays a crucial role in many biological and physiological processes of plants (Al-Ahmadi and Kafi, 2007;Berti and Johnson, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…This was because the higher osmotic pressure used, the more concentrated solution and more water binding, so the seeds were difficult to absorb water that willbe used in metabolic processes that causeyield decrease and germination rate increase This was consistent with the statement of Verslues et al (2006) suggesting that the more concentrated PEG concentrations the more sub ethylene subunits bind the water, the more difficult it is to absorb water the plants cause drought stress. PEG induces germination inhibition because it is associated with osmotic stress (Sidari et al, 2008). Meanwhile, according to La Ode Afa, et al (2012) PEG dissolved in water causes water molecules (H2O) will be attracted to oxygen atoms in subunitethylene oxide through hydrogen bonds so the water potential decreases.…”
Section: Discussionmentioning
confidence: 99%